#A66C39#A66C39

#A66C39 is a mid, moderate orange. Relative luminance 0.191; OKLCH L 58.3% C 0.100 H 60.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX#A66C39
RGBrgb(166, 108, 57)
HSLhsl(28, 49%, 44%)
HSVhsv(28, 66%, 65%)
CMYKcmyk(0%, 34.9%, 65.7%, 34.9%)
CIE-LABlab(50.84, 18.10, 37.42)
CIE-LCHlch(50.84, 41.57, 64.19°)
OKLaboklab(58.29% 0.0496 0.0865)
OKLCHoklch(58.29% 0.1 60.2)
XYZxyz(21.8285, 19.1295, 6.4128)
Luminance0.1913 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66C39 #3973A6
analogous
#A6393C #A66C39 #A6A239
triadic
#A66C39 #39A66C #6C39A6
tetradic
#A66C39 #3CA639 #3973A6 #A239A6
square
#A66C39 #3CA639 #3973A6 #A239A6
split-complementary
#A66C39 #39A6A2 #393CA6
monochromatic
#4B311A #784E29 #A66C39 #C58B57 #D5AA84

Accessibility & contrast

On white

4.35
#A66C39 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.83
#A66C39 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66C39
4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66C39#FFFFFF#000000##000000
##A66C391.004.354.834.83
#FFFFFF4.351.0021.0021.00
#0000004.8321.001.001.00
##0000004.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E7134
Deuteranopia (green-blind)
#8B7E39
Tritanopia (blue-blind)
#B56060
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #a66c39;
/* rgb */ color: rgb(166, 108, 57);
/* oklch */ color: oklch(58.3% 0.100 60.2);
Tailwind
colors: {
  custom: {
    50: '#c49671',
    500: '#a66c39',
    950: '#000000',
  },
}
SCSS
$custom: #a66c39;
$custom-light: #c49671;
$custom-dark: #000000;
JSON
{
  "hex": "#a66c39",
  "rgb": {
    "r": 166,
    "g": 108,
    "b": 57
  },
  "hsl": {
    "h": 28.073,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.58289,
    "c": 0.09969,
    "h": 60.2
  },
  "luminance": 0.19128
}

Semantic roles & 50–950 ramp

primary
#A66C39
secondary
#7CA0BF
accent
#98D84F
background
#FCF9F6
surface
#F8F2EC
border
#D1CCC7
text
#130D08
muted
#827E7B

Preview Lab

Preview with #A66C39

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#A66C39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva